Transparency. Control. Longevity.

Power flow, per-app energy, battery health, and configurable charge control. From the menu bar or the dashboard window.

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macOS 14+ · Apple Silicon · No telemetry

+12W
3:42 PM
+12W Charging
Adapter 94W
System 82W
Battery +12W
87%
SourceAC Power (MagSafe 3)
StatusCharging
SoC RangeToday: 42% — 87%
POWER ADAPTER
ConnectionMagSafe 3
Rated Power94W
Delivery94W

Features

Power monitoring
Connections
Top processes
Battery health
Cycle count
Lifetime stats
Adapter details
Connected devices
Sessions
Energy by app
AI energy
Habit score
System power
Menu bar display
Lightweight

Cable quality & power flow.

Charging Adapter powers system + charges battery
94W Adapter MagSafe 3
-82W System load
+12W Battery
87%

Battery control.

Three capabilities, one opt-in helper.

Charge limit 20–100%

Set a target from 20–100%. Held across reboot, sleep, and updates.

ETA 47 min · 28W average

Scheduled top-off rules

Raise the limit before an event. Three trigger types.

  • Calendar event Charge to 100%, 90 minutes before start on
  • Geofence departure Charge to 95% on leaving a saved location on
  • Manual trigger One-time charge to 100%; limit restored after off
Temperature pause threshold

Pauses charging above a threshold; resumes after a hysteresis margin.

Pricing

Free $0
Menu bar wattage
Power flow diagram
System power: CPU / GPU / ANE / DRAM
Per-app energy tracking
Top energy consumers
Battery info & health %
Connected devices & USB info
Power history (10 min & 1 hour)
Time estimates
Charge limit, 20–100%
Force discharge & manual top-up
Lifetime stats & cycle trends
Dark & light themes
Download
PRO
Pro $5 one-time
Everything in Free
Lifetime license — unlimited updates, no subscription
Advanced Battery Control — scheduled & location top-off, heat protection
AI Energy — per-agent power tracking
Battery Habit score & cell diagnostics
30-day history window
Data & History export (CSV/JSON)
MCP server — Read/Write with AI
Energy & battery forecasting

Updates

Every public Wattro build, with its ship date. Version and date only.

Latest Wattro 2.0.1 Build 755
2.0.1 Build 753
2.0.1 Build 7512.0.1 Build 750
2.0.1 Build 749
2.0.1 Build 748
2.0.1 Build 745
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